Problem: If "The foxes are getting in at night and attacking the chickens. They have gotten very bold.", is "The foxes have gotten very bold." correct?

Answer: yes


Problem: If "I can't cut that tree down with that axe; it is too small.", is "The axe is too small." correct?

Answer: yes


Problem: If "I was trying to open the lock with the key, but someone had filled the keyhole with chewing gum, and I couldn't get it in.", is "I couldn't get the chewing gum in." correct?

Answer:
no